Piston for forcing liquid metal out of a casting cylinder
US5233912A · kind A · utility
21Cited by
8References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 27, 1992 |
| Grant date | Aug 10, 1993 |
| Priority date | — |
| Expiry date | Jul 27, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/7007
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A piston for forcing a liquid metal out of a casting cylinder of a die-casting press, having a mounting piece with an end surface and an outer peripheral surface; and a cap having an inner cover surface, an inner peripheral surface, and a free edge surface. The cap is mounted on the mounting piece so that the inner cover surface faces the end surface, and the inner peripheral surface has, proximate to said free edge surface, a plurality of notches formed therein. The outer peripheral surface has a plurality of bayonet-catch projections extending therefrom which are received in the plurality of notches.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.